CN212958858U

CN212958858U - V-shaped engine

Info

Publication number: CN212958858U
Application number: CN202021933237.2U
Authority: CN
Inventors: 吴乃鹏; 宋建龙; 刘正勇; 姜恩伟; 杨庆敖
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-13
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a V-shaped engine, which belongs to the technical field of vehicles and comprises a cylinder body, wherein the cylinder body is provided with a first top wall and a second top wall, and the first top wall and the second top wall form an included angle; the fixing assembly comprises a first mounting part fixed on the first top wall and a second mounting part fixed on the second top wall; the oil-gas separation device comprises a cover cap and an oil-gas separator, wherein the cover cap is connected to the first installation part and the second installation part respectively, an accommodating space is formed by the first installation part and the second installation part, and the oil-gas separator is arranged in the accommodating space. The utility model discloses have higher compactedness, and whole volume is less, and the space that occupies is also less, and the installation of the V type engine of being convenient for is arranged, is convenient for assemble and production.

Description

V-shaped engine

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a V type engine.

Background

The V-shaped engine is characterized in that all cylinders are divided into two groups, and adjacent cylinders are arranged together at a certain included angle, so that the two groups of cylinders form two planes with an included angle, and the cylinders are in a V shape when viewed from the side. The cylinders of the V-type engine are arranged oppositely at an angle, and can counteract a part of vibration.

In order to ensure that the structure in the V-shaped engine can be effectively lubricated, a certain gap exists between the piston and the cylinder sleeve which reciprocate at a high speed, so that high-pressure high-temperature gas in a cylinder can continuously leak into a crankcase through the gap during the operation of the V-shaped engine, the pressure in the crankcase is continuously increased, in addition, light components of engine oil can be evaporated during the operation of the V-shaped engine, the pressure increase in the crankcase is further increased, and therefore, from the viewpoint of safety, the V-shaped engine must be provided with a crankcase ventilation device, so that the failure of each sealing element and even the damage of the crankcase are avoided.

In the prior art, the crankcase ventilation device is usually installed on the side surface of a V-shaped engine and needs to occupy a large space, so that an assembly consisting of the V-shaped engine and the crankcase ventilation device occupies a large space and is difficult to install and arrange.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a V type engine has higher compactedness, and whole volume is less, and the space that occupies is also less, and the installation of the V type engine of being convenient for is arranged.

As the conception, the utility model adopts the technical proposal that:

a V-type engine comprising:

the cylinder body is provided with a first top wall and a second top wall, and the first top wall and the second top wall form an included angle;

the fixing assembly comprises a first mounting part fixed on the first top wall and a second mounting part fixed on the second top wall;

the oil-gas separation device comprises a cover cap and an oil-gas separator, wherein the cover cap is connected to the first installation part and the second installation part respectively, an accommodating space is formed by the first installation part and the second installation part, and the oil-gas separator is arranged in the accommodating space.

Optionally, the V-shaped engine further includes a crankcase disposed in the cylinder block, an oil return hole is disposed on the first top wall or the second top wall, an oil outlet is disposed at the bottom of the oil-gas separator, and the oil return hole is respectively communicated with the crankcase and the oil outlet.

Optionally, oil and gas separator includes separator main part and connector, the separator main part is located the shroud below just is provided with the distribution hole, the connector has entry and gas outlet, the entry be used for to the separator main part carries oil gas mixture, the gas outlet reaches the oil outlet respectively with the distribution hole intercommunication.

Optionally, the cover has a mounting hole, one end of the connector passes through the mounting hole and is connected to the separator main body, and the inlet and the air outlet are located on one side of the cover away from the separator main body.

Optionally, the cover includes a cover body and a rim structure connected to the periphery of the cover body, and the mounting hole is formed in the cover body.

Optionally, the separator body is fixed to the cover body, and the edge structure is fixedly connected to the first mounting portion and the second mounting portion respectively.

Optionally, the fixed component further comprises a third mounting part, and the third mounting part is respectively fixedly connected with the first mounting part and the second mounting part, and detachably connected with the cover.

Optionally, the fixing assembly further includes a support portion, two ends of the support portion are respectively fixed to the first top wall and the second top wall, and the support portion is configured to support the oil-gas separator.

Optionally, the cylinder block, the first mounting portion, the second mounting portion, the third mounting portion and the support portion are of an integrally formed structure.

Optionally, a reinforcing rib is connected between the first mounting portion and the first top wall, and between the second mounting portion and the second top wall respectively.

The utility model provides a V type engine has following beneficial effect at least:

through set up first installation department on first roof, set up the second installation department on the second roof, make oil-gas separation device can fix on first roof and second roof through first installation department and second installation department, and then make oil-gas separation device can set up in the V-arrangement groove that is formed by first roof and second roof, and then can make full use of the V-arrangement groove at cylinder block top, and need not to occupy other spaces, make V type engine have higher compactedness, and whole volume is less, the space that occupies is also less, the installation arrangement of the V type engine of being convenient for, be convenient for assembly and production.

In addition, the V-shaped engine that this embodiment provided's structure is simpler, need not to make the support frame in addition for oil-gas separation device, has saved the material, has reduced the cost and the whole weight of V-shaped engine.

Drawings

FIG. 1 is a schematic structural diagram of a V-type engine provided by an embodiment of the present invention;

fig. 2 is an exploded schematic view one of a V-type engine according to an embodiment of the present invention;

fig. 3 is an assembly view of a cylinder block and a fixing assembly according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a V-type engine according to an embodiment of the present invention.

In the figure:

1. a cylinder block; 11. a first top wall; 12. a second top wall; 2. a fixing assembly; 21. a first mounting portion; 22. a second mounting portion; 23. a third mounting portion; 24. a support portion; 3. an oil-gas separation device; 31. a cover; 311. mounting holes; 312. a cover body; 313. an edge structure; 32. an oil-gas separator; 321. a separator body; 3211. a dispensing aperture; 322. a connector; 3221. an inlet; 3222. an air outlet; 101. and an oil return hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a V-shaped engine which can occupy smaller space and is convenient to mount and arrange.

As shown in fig. 1 to 4, the V-type engine includes a cylinder block 1, a fixing block 2 fixed to the cylinder block 1, and an oil-gas separation device 3 attached to the fixing block 2.

The cylinder block 1 has a first top wall 11 and a second top wall 12 at the top, and the first top wall 11 and the second top wall 12 are arranged at an included angle to form a V-shaped structure. It should be noted that the bottom end of the first top wall 11 may be directly connected to the bottom end of the second top wall 12, or the bottom end of the first top wall 11 may also be indirectly connected to the bottom end of the second top wall 12 through another structure, which is not limited in this embodiment. A V-shaped groove may be formed between the first and second

top walls

11 and 12.

As shown in fig. 3, the fixing assembly 2 may include a first mounting portion 21 fixed to the first top wall 11 and a second mounting portion 22 fixed to the second top wall 12. The first mounting portion 21 and the second mounting portion 22 are spaced apart from each other, and the first mounting portion 21 and the second mounting portion 22 both extend in the vertical direction. Alternatively, the first mounting portion 21 is fixed to a middle or lower portion of the first ceiling wall 11, and the second mounting portion 22 is fixed to a middle or lower portion of the second ceiling wall 12.

Referring to fig. 2, the oil-gas separation device 3 may include a cover 31 and an oil-gas separator 32. The cover 31 is connected to the first mounting portion 21 and the second mounting portion 22 respectively, for example, one side of the cover 31 is detachably connected to the first mounting portion 21, and the other side of the cover 31 is detachably connected to the second mounting portion 22. The cover 31, the first mounting portion 21 and the second mounting portion 22 form an accommodating space, and the oil separator 32 is disposed in the accommodating space, which is a part of the V-shaped groove formed by the first ceiling wall 11 and the second ceiling wall 12.

In the V-type engine that this embodiment provided, through set up first installation department 21 on first roof 11, set up second installation department 22 on second roof 12, make oil-gas separation device 3 can fix on first roof 11 and second roof 12 through first installation department 21 and second installation department 22, and then make oil-gas separation device 3 can set up in the V-groove that is formed by first roof 11 and second roof 12, and then can make full use of the V-groove at 1 top of cylinder block, and need not to occupy other spaces, make the V-type engine have higher compactedness, and whole volume is less, the space that occupies is also less, the installation arrangement of the V-type engine of being convenient for, be convenient for assembly and production.

In addition, the structure of the V-shaped engine provided by the embodiment is simpler, a supporting frame does not need to be additionally manufactured for the oil-gas separation device 3, the material is saved, and the cost and the overall weight of the V-shaped engine are reduced.

Optionally, the V-type engine further includes a crankcase disposed in the cylinder block 1, as shown in fig. 3 or fig. 4, an oil return hole 101 is opened on the first top wall 11 or the second top wall 12, an oil outlet hole (not shown) is disposed at the bottom of the oil-gas separator 32, the oil return hole 101 is respectively communicated with the crankcase and the oil outlet hole, and liquid (e.g., engine oil) flowing out from the oil outlet hole can enter the crankcase through the oil return hole 101 for recycling. The oil-gas separation device 3 is communicated with the crankcase and is used for relieving the pressure of the crankcase.

Further, as shown in fig. 4, the oil separator 32 may include a separator body 321 and a connection head 322. The separator body 321 is located below the cap 31, that is, the separator body 321 is located between the cap 31 and the cylinder block 1, and one end of the separator body 321 is provided with a distribution hole 3211, and the liquid and the gas separated by the separator body 321 can be distributed through the distribution hole 3211. The connecting joint 322 is provided with an inlet 3221 and an outlet 3222, the inlet 3221 is communicated with the separator body 321 and used for conveying an oil-gas mixture from a crankcase to the separator body 321, and the outlet 3222 and the oil outlet are respectively communicated with the distribution hole 3211, so that gas in the distribution hole 3211 is discharged through the outlet 3222 and distributed to an air inlet pipe of the V-type engine, and finally enters a cylinder of the V-type engine for combustion; the liquid in the distribution hole 3211 enters the crankcase through the oil outlet and the oil return hole 101.

In this embodiment, as shown in fig. 4, the cover 31 has a mounting hole 311, one end of the connecting head 322 passes through the mounting hole 311 and is connected to the separator main body 321, the inlet 3221 and the air outlet 3222 of the connecting head 322 are located at a side of the cover 31 away from the separator main body 321, that is, the inlet 3221 and the air outlet 3222 are located outside the accommodating space, so that the inlet 3221 and the air outlet 3222 are connected to a pipeline. Alternatively, the connector 322 and the separator body 321 may be screw-coupled.

Further, with continued reference to fig. 4, the cover 31 may include a cover 312 and a rim structure 313 connected to the periphery of the cover 312, that is, the cover 31 is a concave structure to have a large enough space to accommodate the separator body 321. The mounting hole 311 is provided in the cover 312.

Alternatively, the separator body 321 is fixed to the cover 312, and specifically, the separator body 321 may be fixed to the cover 312 by bolts. The edge structure 313 is fixedly connected to the first mounting portion 21 and the second mounting portion 22, respectively. Illustratively, the end face dimensions of the edge structure 313 are the same as the end face dimensions of the first mounting portion 21 and the second mounting portion 22, respectively, to facilitate mounting of the cover 31.

As shown in fig. 3 or 4, the fixing assembly 2 may further include a third mounting portion 23. The third mounting portion 23 is fixedly connected to the first mounting portion 21 and the second mounting portion 22, and detachably connected to the edge structure 313 of the cover 31. For example, the number of the third installation parts 23 may be two, and the two third installation parts 23 are respectively connected to two ends of the first installation part 21 and two ends of the second installation part 22, so that the first installation part 21, the second installation part 22 and the third installation part 23 can form a receiving groove for receiving the separator main body 321.

Further, as shown in fig. 3, the fixing assembly 2 may further include a supporting portion 24, two ends of the supporting portion 24 are respectively fixed on the first top wall 11 and the second top wall 12, and the supporting portion 24 is used for supporting the separator body 321 in the oil separator 32, so as to improve stability of the separator body 321 in the accommodating space.

In this embodiment, the cylinder block 1, the first mounting portion 21, the second mounting portion 22, the third mounting portion 23, and the supporting portion 24 are integrally formed to improve the connection strength between the first mounting portion 21 and the first ceiling wall 11, between the second mounting portion 22 and the second ceiling wall 12, between the supporting portion 24 and the first ceiling wall 11 and the second ceiling wall 12, and between the third mounting portion 23 and the first mounting portion 21 and the second mounting portion 22.

Optionally, reinforcing ribs are respectively connected between the first mounting portion 21 and the first top wall 11 and between the second mounting portion 22 and the second top wall 12, so as to further improve the connection strength between the first mounting portion 21 and the first top wall 11 and improve the connection strength between the second mounting portion 22 and the second top wall 12. Illustratively, the reinforcing ribs may be reinforcing plates.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A V-type engine, comprising:

the cylinder body (1), the cylinder body (1) has a first top wall (11) and a second top wall (12), and the first top wall (11) and the second top wall (12) are arranged at an included angle;

a fixing assembly (2) comprising a first mounting portion (21) fixed to the first top wall (11) and a second mounting portion (22) fixed to the second top wall (12);

oil-gas separation device (3), including shroud (31) and oil-gas separator (32), shroud (31) connect respectively in first installation department (21) with second installation department (22), and with first installation department (21) reach second installation department (22) form the accommodation space, oil-gas separator (32) set up in the accommodation space.

2. The V-type engine according to claim 1, further comprising a crankcase disposed in the cylinder block (1), wherein an oil return hole (101) is formed in the first top wall (11) or the second top wall (12), an oil outlet hole is formed in the bottom of the gas-oil separator (32), and the oil return hole (101) is respectively communicated with the crankcase and the oil outlet hole.

3. The V-type engine according to claim 2, characterized in that the oil-gas separator (32) comprises a separator body (321) and a connecting head (322), the separator body (321) is located below the cover cap (31) and is provided with a distribution hole (3211), the connecting head (322) is provided with an inlet (3221) and an outlet (3222), the inlet (3221) is used for conveying the oil-gas mixture to the separator body (321), and the outlet (3222) and the outlet are respectively communicated with the distribution hole (3211).

4. The V-type engine according to claim 3, characterized in that the cover (31) is provided with a mounting hole (311), one end of the connecting head (322) passes through the mounting hole (311) and is connected to the separator main body (321), and the inlet (3221) and the air outlet (3222) are positioned on one side of the cover (31) far away from the separator main body (321).

5. The V-engine according to claim 4, characterized in that the cover (31) comprises a cover (312) and a rim structure (313) connected to the periphery of the cover (312), and the mounting hole (311) is arranged on the cover (312).

6. The V-engine according to claim 5, characterized in that the separator body (321) is fixed to the cover (312), the rim structure (313) being fixedly connected to the first mounting portion (21) and the second mounting portion (22), respectively.

7. A V-engine according to any of claims 1 to 6, characterized in that the stationary assembly (2) further comprises a third mounting portion (23), the third mounting portion (23) being fixedly connected to the first mounting portion (21) and the second mounting portion (22), respectively, and being detachably connected to the cover (31).

8. The V-type engine according to claim 7, characterized in that the fixing assembly (2) further comprises a support portion (24), both ends of the support portion (24) are respectively fixed to the first ceiling wall (11) and the second ceiling wall (12), and the support portion (24) is used for supporting the gas-oil separator (32).

9. The V-engine according to claim 8, characterized in that the cylinder block (1), the first mounting portion (21), the second mounting portion (22), the third mounting portion (23), and the support portion (24) are of an integrally molded structure.

10. The V-type engine according to any one of claims 1-6 wherein a reinforcing rib is connected between the first mounting portion (21) and the first ceiling wall (11) and between the second mounting portion (22) and the second ceiling wall (12), respectively.